Colorado, 2000

Tornado and Hail in Colorado, September 1, 2000

September 1, 2000 · NWS BOU · 10 events in 2 counties and zones

9 hail, 1 tornado, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
10

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

The radar

The Cheyenne radar (KCYS), 71 km away, was scanning. The volume nearest the first event began at 00:55 UTC.

Open the radar archive at this moment

Event by event

9 hail, 1 tornado. Local standard time, as filed.

Hail, Weld

When
September 1, 5:55 PM MST
Where
Weld County, 9 mi NW of Greeley
Measured
1.5 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.517, -104.800

Hail, Weld

When
September 1, 6:27 PM MST
Where
Weld County, 2 mi S of Purcell
Measured
1.25 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.600, -104.583

Tornado, Weld

When
September 1, 6:43 PM MST to 6:45 PM MST
Where
Weld County, 10 mi E of Purcell
Rating
F0
Path length
0.1 mi
Path width
25 yd
Reported by
TRAINED SPOTTER
Coordinates
40.633, -104.400

A small tornado touched down briefly in open country.

Hail, Weld

When
September 1, 6:55 PM MST
Where
Weld County, 5 mi ENE of Eaton
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.567, -104.617

Hail, Larimer

When
September 1, 7:23 PM MST
Where
Larimer County, 2 mi SE of Ft Collins
Measured
1 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.567, -105.050

Hail, Weld

When
September 1, 7:25 PM MST
Where
Weld County, 3 mi NW of Severance
Measured
1.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.550, -104.883

Hail, Larimer

When
September 1, 7:32 PM MST
Where
Larimer County, 5 mi SW of Ft Collins
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.533, -105.150

Hail, Weld

When
September 1, 7:43 PM MST
Where
Weld County, 5 mi W of Ault
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.583, -104.817

Hail, Weld

When
September 1, 7:45 PM MST
Where
Weld County, 5 mi E of Nunn
Measured
1 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.700, -104.667

Hail, Weld

When
September 1, 8:00 PM MST
Where
Weld County, Pierce
Measured
1 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.633, -104.750

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Colorado in 2000Every state in 2000This day in weather historyThe tornado archive for Colorado, 2000Warnings in Colorado, September 2000

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5158365, 5158445, 5158446, 5158447, 5158448, 5158449, 5158450, 5158451, 5158452, 5158453.